394674078 has 16 divisors (see below), whose sum is σ = 790068240. Its totient is φ = 131438016.

The previous prime is 394674073. The next prime is 394674103. The reversal of 394674078 is 870476493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394674073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22743 + ... + 36146.

It is an arithmetic number, because the mean of its divisors is an integer number (49379265).

Almost surely, 2^394674078 is an apocalyptic number.

394674078 is an abundant number, since it is smaller than the sum of its proper divisors (395394162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394674078 is a wasteful number, since it uses less digits than its factorization.

394674078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60011.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 394674078 is about 19866.4057645061. The cubic root of 394674078 is about 733.5215335609.

The spelling of 394674078 in words is "three hundred ninety-four million, six hundred seventy-four thousand, seventy-eight".